The Everpure EV927391 is for use in the following water filter systems:
Everpure ROM 10 System
This Everpure ROM 10 RO Filter Cartridge EV927391 features membrane technology which reduces lead, itrates/nitrites, fluoride, minerals, sodium and

The Everpure EV927393 is for use with the following water filtration system:
Everpure ROM 20 system
The Everpure ROM 20 RO Filter Cartridge EV927393 features membrane technology which reduces lead, nitrates/nitrites, fluoride, minerals, sodium

The Everpure EV927386 ROM III Water Filtration System is a reverse osmosis water filtration system that fits under your sink and is easily installed with common household tools. This RO water filtration system reduces contaminants from your drinking